Cassette storage rack



FIG. 1 is a front elevational view of a cassette storage rack showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view the left side being a mirror image thereof; and

FIG. 6 is a perspective view thereof; 

The ornamental design for a cassette storage rack, as shown and described. 